https://bugs.freedesktop.org/show_bug.cgi?id=108014
--- Comment #6 from Jerry Zuo Jerry.Zuo@amd.com --- (In reply to Lyude Paul from comment #3)
Just a note: I definitely don't have the time to take a closer look at this. If someone from AMD could take a look that would be /REALLY/ appreciated.
We are currently working on a MST downstream issue. The payload bw is failed to get removed for the unplugged MST monitor that exhausts payload bw. You may have a quick try to see if that helps.